This carbon fiber handlebar is designed for serious cyclists with its triathlon bar style. It has a clamp diameter of 22.2mm and a caliber of 31.8mm. The MEINIER-THB-004 model is compatible with road bikes, track bikes, time trial/triathlon bikes, and racing bikes. This handlebar is made with high-quality carbon fiber material for durability and lightweight performance. It comes with a manufacturer warranty of 1 year and weighs only 1.5Ib. This unit includes a single handlebar with dimensions of 420mm in length, 40mm in height, and 40mm in width. Upgrade your bike with this MEINIER carbon tt handlebar.